Linked by Thom Holwerda on Mon 10th Sep 2018 22:24 UTC

The "monitor ROM" of an Apple 1 fit in one page (256 bytes). This is my attempt to take the disassembled code, give names to the variables and routines, and try to document how it worked.

Amazing work.

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Well ... this was no secret
by cybergorf on Tue 11th Sep 2018 07:00 UTC
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The code with description was listed in the manual on page 3:

Edited 2018-09-11 07:02 UTC

Reply Score: 6

The123king Member since:

Nice to know the author of the parent article actually reads documentation.

Reply Parent Score: 1

RE: Well ... this was no secret
by agentj on Wed 12th Sep 2018 09:58 in reply to "Well ... this was no secret"
agentj Member since:

Yes, people have nothing to do but read every single website on the Internet to dig for some scans of 40 year old documents ...

Reply Parent Score: 2